One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.

Once the data, including the date of birth, is in Power Query, you can add an age column as follows: Select the date of birth column. In this case, that’s DOB.

To calculate the whole age from the date of birth in Excel, you can use the YEAR and NOW functions. As an example, if the date of birth is added in cell A7, then to calculate the total age from ...

This is the demonstration file to accompany the article, How to convert a birth date to an age without an expression using Microsoft Excel Power Query, by Susan Harkins. From the hottest ...